District 3
- 3rd district (disambiguation)
- District 13 (disambiguation)
- District 3 (New York City Council)
- District 3 (The Hunger Games)
- District 3 Innovation Centre
- District 3, Düsseldorf
- District 3, Grand Bassa County
- District 3, Ho Chi Minh City
- District 3, Malta
- District3
- Districts of Malta
- III District, Turku
- Sector 3 (disambiguation)
- Wiedikon